def rescan(self, __hosts, __bus, __target, __lun):
""" Rescan SCSI
invokes a rescan via /sys/class/scsi_host/hostH/scan interface
IDEAS
INPUTS
* host - name of scsi host ( - for all )
* bus - number of scsi bus (- for all )
* target - number of target ( - for all )
* lun - number of lun ( - for all )
"""
__syspath = "/sys/class/scsi_host"
if not os.path.isdir( __syspath ):
raise ComException(__syspath + " not found")
if __hosts == "-":
__hosts=self.getAllSCSIHosts()
if not ( ComUtils.isInt(__bus) or __bus == "-"):
raise ComException( __bus + " is not valid to scan SCSI Bus");
if not ( ComUtils.isInt(__target) or __target == "-"):
raise ComException( __bus + " is not valid to scan SCSI Target")
if not (ComUtils.isInt(__lun) or __lun == "-"):
raise ComException( __bus + " is not valid to scan SCSI Lun")
print "Hosts: ", __hosts
for __host in __hosts:
ComSystem.execLocal( "echo \""+__bus+"\" \""+ __target+"\" \""+ __lun+ "\" > "+__syspath+"/"+__host+"/scan")
def rescan(self, __hosts, __bus, __target, __lun):
""" Rescan SCSI
invokes a rescan via /sys/class/scsi_host/hostH/scan interface
IDEAS
INPUTS
* host - name of scsi host ( - for all )
* bus - number of scsi bus (- for all )
* target - number of target ( - for all )
* lun - number of lun ( - for all )
"""
__syspath = "/sys/class/scsi_host"
if not os.path.isdir(__syspath):
raise ComException(__syspath + " not found")
if __hosts == "-":
__hosts = self.getAllSCSIHosts()
if not (ComUtils.isInt(__bus) or __bus == "-"):
raise ComException(__bus + " is not valid to scan SCSI Bus")
if not (ComUtils.isInt(__target) or __target == "-"):
raise ComException(__bus + " is not valid to scan SCSI Target")
if not (ComUtils.isInt(__lun) or __lun == "-"):
raise ComException(__bus + " is not valid to scan SCSI Lun")
print "Hosts: ", __hosts
for __host in __hosts:
ComSystem.execLocal(
'echo "' + __bus + '" "' + __target + '" "' + __lun + '" > ' + __syspath + "/" + __host + "/scan"
)
def scanOptions(self, device, mountpoint=None):
""" Scans a mountded gfs and puts the meta information into the DOM
raises ComException
"""
if mountpoint:
__mountpoint = mountpoint.getAttribute("name")
else:
__mountpoint, fstype = device.scanMountPoint()
if not __mountpoint:
raise ComException("device " + device.getDevicePath() +
" is not mounted.")
__cmd = CMD_GFS_TOOL + " getsb " + __mountpoint
__rc, __ret = ComSystem.execLocalGetResult(__cmd)
if __rc != 0:
raise ComException(__cmd + __ret)
if __ret[0] == ComSystem.SKIPPED:
# Just to keep up working when SIMULATING
self.setAttribute("bsize", "4096")
self.setAttribute("lockproto", "lock_dlm")
self.setAttribute("clustername", "testcluster")
self.setAttribute("journals", "4")
else:
__bsize = ComUtils.grepInLines(__ret, " sb_bsize = ([0-9]*)")[0]
log.debug("scan Options bsize: " + __bsize)
self.setAttribute("bsize", __bsize)
__lockproto = ComUtils.grepInLines(__ret,
" sb_lockproto = (.*)")[0]
log.debug("scan Options lockproto: " + __lockproto)
self.setAttribute("lockproto", __lockproto)
__locktable = ComUtils.grepInLines(__ret,
" sb_locktable = .*?:(.*)")
if len(__locktable) == 1:
log.debug("scan Options locktable: " + __locktable[0])
self.setAttribute("locktable", __locktable[0])
__clustername = ComUtils.grepInLines(__ret,
" sb_locktable = (.*?):.*")
if len(__clustername) == 1:
log.debug("scan Options clustername: " + __clustername[0])
self.setAttribute("clustername", __clustername[0])
__cmd = CMD_GFS_TOOL + " df " + __mountpoint
__rc, __ret = ComSystem.execLocalGetResult(__cmd)
if __rc != 0:
raise ComException(__cmd + __ret)
__journals = ComUtils.grepInLines(__ret,
" Journals = ([0-9]+)")[0]
log.debug("scan Options Journals: " + __journals)
self.setAttribute("journals", __journals)
def scanOptions(self, device, mountpoint=None):
""" Scans a mountded gfs2 and puts the meta information into the DOM
raises ComException
"""
if mountpoint:
mountpoint=mountpoint.getAttribute("name")
else:
mountpoint = device.scanMountPoint()[0]
if not mountpoint:
raise ComException("device " + device.getDevicePath() + " is not mounted.")
cmd = CMD_GFS2_TOOL + " sb " + device.getDevicePath() + " all"
rc, ret = ComSystem.execLocalGetResult(cmd)
if rc != 0:
raise ComException(cmd + ret)
if ret[0] == ComSystem.SKIPPED:
# Just to keep up working when SIMULATING
self.setAttribute("bsize", "4096")
self.setAttribute("lockproto", "lock_dlm")
self.setAttribute("clustername", "testcluster")
self.setAttribute("journals", "4")
else:
bsize=ComUtils.grepInLines(ret, " sb_bsize = ([0-9]*)")[0]
log.debug("scan Options bsize: " + bsize)
self.setAttribute("bsize", bsize)
lockproto=ComUtils.grepInLines(ret, " sb_lockproto = (.*)")[0]
log.debug("scan Options lockproto: " + lockproto)
self.setAttribute("lockproto", lockproto)
locktable=ComUtils.grepInLines(ret, " sb_locktable = .*?:(.*)")
if len(locktable) == 1:
log.debug("scan Options locktable: " + locktable[0])
self.setAttribute("locktable", locktable[0])
clustername=ComUtils.grepInLines(ret, " sb_locktable = (.*?):.*")
if len(clustername) == 1:
log.debug("scan Options clustername: " +clustername[0])
self.setAttribute("clustername", clustername[0])
# FIXME: Bug in gfs2_tool journals / does not work. Only for bindmounts on /
if mountpoint == "/":
mountpoint = device.scanMountPoint(mountpoint)[0]
cmd = CMD_GFS2_TOOL + " journals " + mountpoint
rc, ret = ComSystem.execLocalGetResult(cmd)
if rc != 0:
raise ComException(cmd + ret)
journals=ComUtils.grepInLines(ret, "^([0-9])+ journal\(s\) found.")[0]
log.debug("scan Options Journals: " +journals)
self.setAttribute("journals", journals)
def scanOptions(self, device, mountpoint=None):
""" Scans a mountded gfs and puts the meta information into the DOM
raises ComException
"""
if mountpoint:
__mountpoint=mountpoint.getAttribute("name")
else:
__mountpoint, fstype = device.scanMountPoint()
if not __mountpoint:
raise ComException("device " + device.getDevicePath() + " is not mounted.")
__cmd = CMD_GFS_TOOL + " getsb " + __mountpoint
__rc, __ret = ComSystem.execLocalGetResult(__cmd)
if __rc != 0:
raise ComException(__cmd + __ret)
if __ret[0] == ComSystem.SKIPPED:
# Just to keep up working when SIMULATING
self.setAttribute("bsize", "4096")
self.setAttribute("lockproto", "lock_dlm")
self.setAttribute("clustername", "testcluster")
self.setAttribute("journals", "4")
else:
__bsize=ComUtils.grepInLines(__ret, " sb_bsize = ([0-9]*)")[0]
log.debug("scan Options bsize: " + __bsize)
self.setAttribute("bsize", __bsize)
__lockproto=ComUtils.grepInLines(__ret, " sb_lockproto = (.*)")[0]
log.debug("scan Options lockproto: " + __lockproto)
self.setAttribute("lockproto",__lockproto)
__locktable=ComUtils.grepInLines(__ret, " sb_locktable = .*?:(.*)")
if len(__locktable) == 1:
log.debug("scan Options locktable: " + __locktable[0])
self.setAttribute("locktable", __locktable[0])
__clustername=ComUtils.grepInLines(__ret, " sb_locktable = (.*?):.*")
if len(__clustername) == 1:
log.debug("scan Options clustername: " +__clustername[0])
self.setAttribute("clustername", __clustername[0])
__cmd = CMD_GFS_TOOL + " df " + __mountpoint
__rc, __ret = ComSystem.execLocalGetResult(__cmd)
if __rc != 0:
raise ComException(__cmd + __ret)
__journals=ComUtils.grepInLines(__ret, " Journals = ([0-9]+)")[0]
log.debug("scan Options Journals: " +__journals)
self.setAttribute("journals", __journals)
def scanMountPoint(self):
""" returns first mountpoint of device and fstype if mounted
returns None if not mounted
"""
from comoonics.ecbase import ComUtils
lines = self.getMountList()
exp = "^" + self.getDevicePath() + " (/.*?) .*"
self.getLog().debug(exp)
mp = ComUtils.grepInLines(lines, exp)
if len(mp) == 0:
return [None, None]
exp = "^" + self.getDevicePath() + " " + mp[0] + " (.*?) .*"
fs = ComUtils.grepInLines(lines, exp)
if len(fs) == 0:
return [None, None]
self.getLog().debug("mountpoint %s filesystem %s", mp[0], fs[0])
return [mp[0], fs[0]]
def scanMountPoint(self):
""" returns first mountpoint of device and fstype if mounted
returns None if not mounted
"""
from comoonics.ecbase import ComUtils
lines=self.getMountList()
exp="^" + self.getDevicePath() + " (/.*?) .*"
self.getLog().debug(exp)
mp=ComUtils.grepInLines(lines, exp)
if len(mp) == 0:
return [None, None]
exp="^" + self.getDevicePath() + " " + mp[0] + " (.*?) .*"
fs=ComUtils.grepInLines(lines, exp)
if len(fs) == 0:
return [None, None]
self.getLog().debug("mountpoint %s filesystem %s", mp[0], fs[0])
return [mp[0], fs[0]]
